- an apparatus for representing the positions, motions, and phases of the planets, satellites, etc., in the solar system.
- any of certain similar machines, as a planetarium.
Origin of orrery
First recorded in 1705–15; named after Charles Boyle, Earl of Orrery (1676–1731), for whom it was first made
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for orrery
The first orrery was constructed by the Earl of Orrery (c. 1700).The Romance of Words (4th ed.)
The machinery of the heavens is much simpler than that of an orrery.Letters on Astronomy
Orrery's "Altemira" was not produced till long after his death.
His countenance, says Orrery, could be terribly expressive of the sterner passions.Swift
He was the improver of that noble instrument the Orrery, which, in honour of him, was called after his name.Chelsea
- a mechanical model of the solar system in which the planets can be moved at the correct relative velocities around the sun
C18: originally made for Charles Boyle, Earl of Orrery
Word Origin and History for orrery
1713, invented c.1713 by George Graham and made by instrument maker J. Rowley, who gave a copy to his patron, Charles Boyle, 4th Earl of Orrery (Cork) and named it in his honor.
Online Etymology Dictionary, © 2010 Douglas Harper